Re: btrfs constant background write activity even at idle

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On Thu, 5 Dec 2013, James Harper wrote:
> > 
> > Can you generate an OSD log with 'debug filestore = 20' for an idle period?
> > 
> 
> Any more tests you would like me to run? I'm going to recreate that osd 
> as xfs soon.

Ah, Ilya tells me that the brfs cleaner is probably chewing on a snapshot 
cleanup backlog.  This is something that other btrfs users see pretty 
frequently.  I don't know enough about the btrfs internals to know how 
harmful this is to performance, though..

sage
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